Home / 110,538.60-165,807.72-51,341.88

Finding the Fourth Proportional to 110,538.60, 165,807.72 and 51,341.88

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Solution

The fourth proportional to 110,538.60, 165,807.72 and 51,341.88 is: 77,012.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,538.60 : 165,807.72 = 51,341.88 : x
  2. Step 2: Convert to fraction form
    110,538.60/165,807.72 = 51,341.88/x
  3. Step 3: Cross multiply
    110,538.60x = 165,807.72 × 51,341.88
  4. Step 4: Simplify right side
    110,538.60x = 8,512,880,063.31
  5. Step 5: Solve for x
    x = 8,512,880,063.31/110,538.60
  6. Step 6: Final answer
    x = 77,012.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.